31411401

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 51568128

約数和(自身を除く): 20156727

約数列:

[1, 3, 7, 21, 31, 49, 61, 93, 113, 147, 183, 217, 339, 427, 651, 791, 1281, 1519, 1891, 2373, 2989, 3503, 4557, 5537, 5673, 6893, 8967, 10509, 13237, 16611, 20679, 24521, 39711, 48251, 73563, 92659, 144753, 171647, 213683, 277977, 337757, 514941, 641049, 1013271, 1495781, 4487343, 10470467, 31411401]

約数ペア:

[(1, 31411401), (3, 10470467), (7, 4487343), (21, 1495781), (31, 1013271), (49, 641049), (61, 514941), (93, 337757), (113, 277977), (147, 213683), (183, 171647), (217, 144753), (339, 92659), (427, 73563), (651, 48251), (791, 39711), (1281, 24521), (1519, 20679), (1891, 16611), (2373, 13237), (2989, 10509), (3503, 8967), (4557, 6893), (5537, 5673)]