131303925

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 243734400

約数和(自身を除く): 112430475

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 83, 89, 225, 237, 249, 267, 395, 415, 445, 711, 747, 801, 1185, 1245, 1335, 1975, 2075, 2225, 3555, 3735, 4005, 5925, 6225, 6557, 6675, 7031, 7387, 17775, 18675, 19671, 20025, 21093, 22161, 32785, 35155, 36935, 59013, 63279, 66483, 98355, 105465, 110805, 163925, 175775, 184675, 295065, 316395, 332415, 491775, 527325, 554025, 583573, 1475325, 1581975, 1662075, 1750719, 2917865, 5252157, 8753595, 14589325, 26260785, 43767975, 131303925]

約数ペア:

[(1, 131303925), (3, 43767975), (5, 26260785), (9, 14589325), (15, 8753595), (25, 5252157), (45, 2917865), (75, 1750719), (79, 1662075), (83, 1581975), (89, 1475325), (225, 583573), (237, 554025), (249, 527325), (267, 491775), (395, 332415), (415, 316395), (445, 295065), (711, 184675), (747, 175775), (801, 163925), (1185, 110805), (1245, 105465), (1335, 98355), (1975, 66483), (2075, 63279), (2225, 59013), (3555, 36935), (3735, 35155), (4005, 32785), (5925, 22161), (6225, 21093), (6557, 20025), (6675, 19671), (7031, 18675), (7387, 17775)]