239471421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9839}}^1$

素因数の和:9929

約数の個数: 32

約数和(自身を含む): 390451200

約数和(自身を除く): 150979779

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3477, 8113, 9839, 24339, 29517, 68873, 186941, 206619, 560823, 600179, 1308587, 1800537, 3925761, 4201253, 11403401, 12603759, 34210203, 79823807, 239471421]

約数ペア:

[(1, 239471421), (3, 79823807), (7, 34210203), (19, 12603759), (21, 11403401), (57, 4201253), (61, 3925761), (133, 1800537), (183, 1308587), (399, 600179), (427, 560823), (1159, 206619), (1281, 186941), (3477, 68873), (8113, 29517), (9839, 24339)]