64995561

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 107929600

約数和(自身を除く): 42934039

約数列:

[1, 3, 9, 19, 27, 31, 57, 61, 67, 93, 171, 183, 201, 279, 513, 549, 589, 603, 837, 1159, 1273, 1647, 1767, 1809, 1891, 2077, 3477, 3819, 4087, 5301, 5673, 6231, 10431, 11457, 12261, 15903, 17019, 18693, 31293, 34371, 35929, 36783, 39463, 51057, 56079, 77653, 107787, 110349, 118389, 126697, 232959, 323361, 355167, 380091, 698877, 970083, 1065501, 1140273, 2096631, 2407243, 3420819, 7221729, 21665187, 64995561]

約数ペア:

[(1, 64995561), (3, 21665187), (9, 7221729), (19, 3420819), (27, 2407243), (31, 2096631), (57, 1140273), (61, 1065501), (67, 970083), (93, 698877), (171, 380091), (183, 355167), (201, 323361), (279, 232959), (513, 126697), (549, 118389), (589, 110349), (603, 107787), (837, 77653), (1159, 56079), (1273, 51057), (1647, 39463), (1767, 36783), (1809, 35929), (1891, 34371), (2077, 31293), (3477, 18693), (3819, 17019), (4087, 15903), (5301, 12261), (5673, 11457), (6231, 10431)]