72725217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 105100800

約数和(自身を除く): 32375583

約数列:

[1, 3, 19, 57, 67, 137, 139, 201, 411, 417, 1273, 2603, 2641, 3819, 7809, 7923, 9179, 9313, 19043, 27537, 27939, 57129, 174401, 176947, 361817, 523203, 530841, 1085451, 1275881, 3827643, 24241739, 72725217]

約数ペア:

[(1, 72725217), (3, 24241739), (19, 3827643), (57, 1275881), (67, 1085451), (137, 530841), (139, 523203), (201, 361817), (411, 176947), (417, 174401), (1273, 57129), (2603, 27939), (2641, 27537), (3819, 19043), (7809, 9313), (7923, 9179)]