138239535

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 272070576

約数和(自身を除く): 133831041

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 361, 399, 521, 665, 735, 931, 1083, 1563, 1805, 1995, 2527, 2605, 2793, 3647, 4655, 5415, 7581, 7815, 9899, 10941, 12635, 13965, 17689, 18235, 25529, 29697, 37905, 49495, 53067, 54705, 69293, 76587, 88445, 127645, 148485, 188081, 207879, 265335, 346465, 382935, 485051, 564243, 940405, 1039395, 1316567, 1455153, 2425255, 2821215, 3949701, 6582835, 7275765, 9215969, 19748505, 27647907, 46079845, 138239535]

約数ペア:

[(1, 138239535), (3, 46079845), (5, 27647907), (7, 19748505), (15, 9215969), (19, 7275765), (21, 6582835), (35, 3949701), (49, 2821215), (57, 2425255), (95, 1455153), (105, 1316567), (133, 1039395), (147, 940405), (245, 564243), (285, 485051), (361, 382935), (399, 346465), (521, 265335), (665, 207879), (735, 188081), (931, 148485), (1083, 127645), (1563, 88445), (1805, 76587), (1995, 69293), (2527, 54705), (2605, 53067), (2793, 49495), (3647, 37905), (4655, 29697), (5415, 25529), (7581, 18235), (7815, 17689), (9899, 13965), (10941, 12635)]