281610045

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 537698304

約数和(自身を除く): 256088259

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 67, 69, 93, 115, 131, 155, 201, 207, 279, 335, 345, 393, 465, 603, 655, 713, 1005, 1035, 1179, 1395, 1541, 1965, 2077, 2139, 3013, 3015, 3565, 4061, 4623, 5895, 6231, 6417, 7705, 8777, 9039, 10385, 10695, 12183, 13869, 15065, 18693, 20305, 23115, 26331, 27117, 31155, 32085, 36549, 43885, 45195, 47771, 60915, 69345, 78993, 93403, 93465, 131655, 135585, 143313, 182745, 201871, 238855, 272087, 280209, 394965, 429939, 467015, 605613, 716565, 816261, 840627, 1009355, 1360435, 1401045, 1816839, 2149695, 2448783, 3028065, 4081305, 4203135, 6258001, 9084195, 12243915, 18774003, 31290005, 56322009, 93870015, 281610045]

約数ペア:

[(1, 281610045), (3, 93870015), (5, 56322009), (9, 31290005), (15, 18774003), (23, 12243915), (31, 9084195), (45, 6258001), (67, 4203135), (69, 4081305), (93, 3028065), (115, 2448783), (131, 2149695), (155, 1816839), (201, 1401045), (207, 1360435), (279, 1009355), (335, 840627), (345, 816261), (393, 716565), (465, 605613), (603, 467015), (655, 429939), (713, 394965), (1005, 280209), (1035, 272087), (1179, 238855), (1395, 201871), (1541, 182745), (1965, 143313), (2077, 135585), (2139, 131655), (3013, 93465), (3015, 93403), (3565, 78993), (4061, 69345), (4623, 60915), (5895, 47771), (6231, 45195), (6417, 43885), (7705, 36549), (8777, 32085), (9039, 31155), (10385, 27117), (10695, 26331), (12183, 23115), (13869, 20305), (15065, 18693)]