90957999

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 140958720

約数和(自身を除く): 50000721

約数列:

[1, 3, 11, 31, 33, 59, 93, 121, 137, 177, 341, 363, 411, 649, 1023, 1507, 1829, 1947, 3751, 4247, 4521, 5487, 7139, 8083, 11253, 12741, 16577, 20119, 21417, 24249, 46717, 49731, 60357, 88913, 140151, 221309, 250573, 266739, 513887, 663927, 751719, 978043, 1541661, 2756303, 2934129, 8268909, 30319333, 90957999]

約数ペア:

[(1, 90957999), (3, 30319333), (11, 8268909), (31, 2934129), (33, 2756303), (59, 1541661), (93, 978043), (121, 751719), (137, 663927), (177, 513887), (341, 266739), (363, 250573), (411, 221309), (649, 140151), (1023, 88913), (1507, 60357), (1829, 49731), (1947, 46717), (3751, 24249), (4247, 21417), (4521, 20119), (5487, 16577), (7139, 12741), (8083, 11253)]