1276172865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1\times {\mathrm{1997}}^1$

素因数の和:3310

約数の個数: 48

約数和(自身を含む): 2416205376

約数和(自身を除く): 1140032511

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 1291, 1997, 3873, 5991, 6455, 9985, 11619, 14201, 17973, 19365, 21967, 29955, 42603, 58095, 65901, 71005, 89865, 109835, 127809, 197703, 213015, 329505, 639045, 988515, 2578127, 7734381, 12890635, 23203143, 28359397, 38671905, 85078191, 116015715, 141796985, 255234573, 425390955, 1276172865]

約数ペア:

[(1, 1276172865), (3, 425390955), (5, 255234573), (9, 141796985), (11, 116015715), (15, 85078191), (33, 38671905), (45, 28359397), (55, 23203143), (99, 12890635), (165, 7734381), (495, 2578127), (1291, 988515), (1997, 639045), (3873, 329505), (5991, 213015), (6455, 197703), (9985, 127809), (11619, 109835), (14201, 89865), (17973, 71005), (19365, 65901), (21967, 58095), (29955, 42603)]