16376445

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 14727555

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 47, 87, 89, 135, 141, 145, 235, 261, 267, 423, 435, 445, 705, 783, 801, 1269, 1305, 1335, 1363, 2115, 2403, 2581, 3915, 4005, 4089, 4183, 6345, 6815, 7743, 12015, 12267, 12549, 12905, 20445, 20915, 23229, 36801, 37647, 38715, 61335, 62745, 69687, 112941, 116145, 121307, 184005, 188235, 348435, 363921, 564705, 606535, 1091763, 1819605, 3275289, 5458815, 16376445]

約数ペア:

[(1, 16376445), (3, 5458815), (5, 3275289), (9, 1819605), (15, 1091763), (27, 606535), (29, 564705), (45, 363921), (47, 348435), (87, 188235), (89, 184005), (135, 121307), (141, 116145), (145, 112941), (235, 69687), (261, 62745), (267, 61335), (423, 38715), (435, 37647), (445, 36801), (705, 23229), (783, 20915), (801, 20445), (1269, 12905), (1305, 12549), (1335, 12267), (1363, 12015), (2115, 7743), (2403, 6815), (2581, 6345), (3915, 4183), (4005, 4089)]