90718407

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 155545600

約数和(自身を除く): 64827193

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 61, 117, 171, 183, 223, 247, 351, 513, 549, 669, 741, 793, 1159, 1647, 2007, 2223, 2379, 2899, 3477, 4237, 6021, 6669, 7137, 8697, 10431, 12711, 13603, 15067, 21411, 26091, 31293, 38133, 40809, 45201, 55081, 78273, 114399, 122427, 135603, 165243, 176839, 258457, 367281, 406809, 495729, 530517, 775371, 1487187, 1591551, 2326113, 3359941, 4774653, 6978339, 10079823, 30239469, 90718407]

約数ペア:

[(1, 90718407), (3, 30239469), (9, 10079823), (13, 6978339), (19, 4774653), (27, 3359941), (39, 2326113), (57, 1591551), (61, 1487187), (117, 775371), (171, 530517), (183, 495729), (223, 406809), (247, 367281), (351, 258457), (513, 176839), (549, 165243), (669, 135603), (741, 122427), (793, 114399), (1159, 78273), (1647, 55081), (2007, 45201), (2223, 40809), (2379, 38133), (2899, 31293), (3477, 26091), (4237, 21411), (6021, 15067), (6669, 13603), (7137, 12711), (8697, 10431)]