15982515

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 31595520

約数和(自身を除く): 15613005

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 67, 81, 93, 95, 135, 155, 171, 201, 279, 285, 335, 405, 465, 513, 589, 603, 837, 855, 1005, 1273, 1395, 1539, 1767, 1809, 2077, 2511, 2565, 2945, 3015, 3819, 4185, 5301, 5427, 6231, 6365, 7695, 8835, 9045, 10385, 11457, 12555, 15903, 18693, 19095, 26505, 27135, 31155, 34371, 39463, 47709, 56079, 57285, 79515, 93465, 103113, 118389, 168237, 171855, 197315, 238545, 280395, 355167, 515565, 591945, 841185, 1065501, 1775835, 3196503, 5327505, 15982515]

約数ペア:

[(1, 15982515), (3, 5327505), (5, 3196503), (9, 1775835), (15, 1065501), (19, 841185), (27, 591945), (31, 515565), (45, 355167), (57, 280395), (67, 238545), (81, 197315), (93, 171855), (95, 168237), (135, 118389), (155, 103113), (171, 93465), (201, 79515), (279, 57285), (285, 56079), (335, 47709), (405, 39463), (465, 34371), (513, 31155), (589, 27135), (603, 26505), (837, 19095), (855, 18693), (1005, 15903), (1273, 12555), (1395, 11457), (1539, 10385), (1767, 9045), (1809, 8835), (2077, 7695), (2511, 6365), (2565, 6231), (2945, 5427), (3015, 5301), (3819, 4185)]