215550735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 382112640

約数和(自身を除く): 166561905

約数列:

[1, 3, 5, 15, 17, 41, 51, 53, 85, 123, 159, 205, 255, 265, 389, 615, 697, 795, 901, 1167, 1945, 2091, 2173, 2703, 3485, 4505, 5835, 6519, 6613, 10455, 10865, 13515, 15949, 19839, 20617, 32595, 33065, 36941, 47847, 61851, 79745, 99195, 103085, 110823, 184705, 239235, 271133, 309255, 350489, 554115, 813399, 845297, 1051467, 1355665, 1752445, 2535891, 4066995, 4226485, 5257335, 12679455, 14370049, 43110147, 71850245, 215550735]

約数ペア:

[(1, 215550735), (3, 71850245), (5, 43110147), (15, 14370049), (17, 12679455), (41, 5257335), (51, 4226485), (53, 4066995), (85, 2535891), (123, 1752445), (159, 1355665), (205, 1051467), (255, 845297), (265, 813399), (389, 554115), (615, 350489), (697, 309255), (795, 271133), (901, 239235), (1167, 184705), (1945, 110823), (2091, 103085), (2173, 99195), (2703, 79745), (3485, 61851), (4505, 47847), (5835, 36941), (6519, 33065), (6613, 32595), (10455, 20617), (10865, 19839), (13515, 15949)]