64768455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 119957760

約数和(自身を除く): 55189305

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 1601, 2697, 4495, 4803, 8005, 8091, 13485, 14409, 24015, 40455, 46429, 49631, 72045, 139287, 148893, 232145, 248155, 417861, 446679, 696435, 744465, 1439299, 2089305, 2233395, 4317897, 7196495, 12953691, 21589485, 64768455]

約数ペア:

[(1, 64768455), (3, 21589485), (5, 12953691), (9, 7196495), (15, 4317897), (29, 2233395), (31, 2089305), (45, 1439299), (87, 744465), (93, 696435), (145, 446679), (155, 417861), (261, 248155), (279, 232145), (435, 148893), (465, 139287), (899, 72045), (1305, 49631), (1395, 46429), (1601, 40455), (2697, 24015), (4495, 14409), (4803, 13485), (8005, 8091)]