421668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 1238328

約数和(自身を除く): 816660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 53, 68, 78, 102, 106, 117, 153, 156, 159, 204, 212, 221, 234, 306, 318, 442, 468, 477, 612, 636, 663, 689, 884, 901, 954, 1326, 1378, 1802, 1908, 1989, 2067, 2652, 2703, 2756, 3604, 3978, 4134, 5406, 6201, 7956, 8109, 8268, 10812, 11713, 12402, 16218, 23426, 24804, 32436, 35139, 46852, 70278, 105417, 140556, 210834, 421668]

約数ペア:

[(1, 421668), (2, 210834), (3, 140556), (4, 105417), (6, 70278), (9, 46852), (12, 35139), (13, 32436), (17, 24804), (18, 23426), (26, 16218), (34, 12402), (36, 11713), (39, 10812), (51, 8268), (52, 8109), (53, 7956), (68, 6201), (78, 5406), (102, 4134), (106, 3978), (117, 3604), (153, 2756), (156, 2703), (159, 2652), (204, 2067), (212, 1989), (221, 1908), (234, 1802), (306, 1378), (318, 1326), (442, 954), (468, 901), (477, 884), (612, 689), (636, 663)]