291212767251

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2083}}^1\times {\mathrm{5197}}^1$

素因数の和:7361

約数の個数: 72

約数和(自身を含む): 497672779344

約数和(自身を除く): 206460012093

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2083, 2989, 3843, 5197, 6249, 8967, 14581, 15591, 18747, 26901, 36379, 43743, 46773, 102067, 109137, 127063, 131229, 254653, 306201, 317017, 327411, 381189, 763959, 889441, 918603, 951051, 1143567, 2219119, 2291877, 2668323, 2853153, 6226087, 6657357, 8004969, 10825351, 15533833, 18678261, 19972071, 32476053, 46601499, 56034783, 75777457, 97428159, 139804497, 227332371, 530442199, 660346411, 681997113, 1591326597, 1981039233, 4622424877, 4773979791, 5943117699, 13867274631, 32356974139, 41601823893, 97070922417, 291212767251]

約数ペア:

[(1, 291212767251), (3, 97070922417), (7, 41601823893), (9, 32356974139), (21, 13867274631), (49, 5943117699), (61, 4773979791), (63, 4622424877), (147, 1981039233), (183, 1591326597), (427, 681997113), (441, 660346411), (549, 530442199), (1281, 227332371), (2083, 139804497), (2989, 97428159), (3843, 75777457), (5197, 56034783), (6249, 46601499), (8967, 32476053), (14581, 19972071), (15591, 18678261), (18747, 15533833), (26901, 10825351), (36379, 8004969), (43743, 6657357), (46773, 6226087), (102067, 2853153), (109137, 2668323), (127063, 2291877), (131229, 2219119), (254653, 1143567), (306201, 951051), (317017, 918603), (327411, 889441), (381189, 763959)]