71351745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 55656255

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 89, 95, 97, 145, 267, 285, 291, 435, 445, 485, 551, 1335, 1455, 1653, 1691, 1843, 2581, 2755, 2813, 5073, 5529, 7743, 8265, 8439, 8455, 8633, 9215, 12905, 14065, 25365, 25899, 27645, 38715, 42195, 43165, 49039, 53447, 129495, 147117, 160341, 164027, 245195, 250357, 267235, 492081, 735585, 751071, 801705, 820135, 1251785, 2460405, 3755355, 4756783, 14270349, 23783915, 71351745]

約数ペア:

[(1, 71351745), (3, 23783915), (5, 14270349), (15, 4756783), (19, 3755355), (29, 2460405), (57, 1251785), (87, 820135), (89, 801705), (95, 751071), (97, 735585), (145, 492081), (267, 267235), (285, 250357), (291, 245195), (435, 164027), (445, 160341), (485, 147117), (551, 129495), (1335, 53447), (1455, 49039), (1653, 43165), (1691, 42195), (1843, 38715), (2581, 27645), (2755, 25899), (2813, 25365), (5073, 14065), (5529, 12905), (7743, 9215), (8265, 8633), (8439, 8455)]